Micro-organisms only meet certain nutritional conditions in order to normal growth, reproduction and the completion of a variety of physiological needs.
微生物只有满足一定的营养条件，才能正常的生长、繁殖以及完成各种生理活动的需要。
2
Researching from micro mechanical feature of materials and using the strength theory of fabric bundles, we gain the statistical scaling effect of material in normal scale.
从材料的微观力学性质入手，利用纤维束强度理论，得到材料的宏观统计力学效应。
3
For the MBF and the myocardial micro vessel volume density, there was significant difference in normal, risk and infarcted myocardium.